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Finding the Fourth Proportional to 1,088,813, 1,502,561.94 and 611,885

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Solution

The fourth proportional to 1,088,813, 1,502,561.94 and 611,885 is: 844,401.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,088,813 : 1,502,561.94 = 611,885 : x
  2. Step 2: Convert to fraction form
    1,088,813/1,502,561.94 = 611,885/x
  3. Step 3: Cross multiply
    1,088,813x = 1,502,561.94 × 611,885
  4. Step 4: Simplify right side
    1,088,813x = 919,395,112,656.90
  5. Step 5: Solve for x
    x = 919,395,112,656.90/1,088,813
  6. Step 6: Final answer
    x = 844,401.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.